Home / 40,995.06-61,521.75-31,644.42

Finding the Fourth Proportional to 40,995.06, 61,521.75 and 31,644.42

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Solution

The fourth proportional to 40,995.06, 61,521.75 and 31,644.42 is: 47,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.06 : 61,521.75 = 31,644.42 : x
  2. Step 2: Convert to fraction form
    40,995.06/61,521.75 = 31,644.42/x
  3. Step 3: Cross multiply
    40,995.06x = 61,521.75 × 31,644.42
  4. Step 4: Simplify right side
    40,995.06x = 1,946,820,096.14
  5. Step 5: Solve for x
    x = 1,946,820,096.14/40,995.06
  6. Step 6: Final answer
    x = 47,489.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.